Page 2791 - Cote clinical veterinary advisor dogs and cats 4th
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1456 Uroliths, Struvite
Uroliths, Struvite
VetBooks.ir (radiopaque uroliths in alkaline urine, evidence of bacterial infection in dogs)
Likely struvite urolithiasis
Urinary obstruction present?
Yes No
Mechanical urolith removal with analysis Initiate medical dissolution protocol
or mechanical removal
1. Antibiotic, as directed by urine culture/susceptibility
2. Initiate dissolution diet (e.g., Hill’s s/d)
3. Promote water consumption
4. Educate owners to recognize signs of lower
urinary tract obstruction (emergency)
Abdominal radiographs Urinalysis • Urine pH 7.0
(q 2-4 weeks) (≈7 days) • Specific gravity 1.020
• Bacteriuria
Resolution of uroliths Evaluate:
No improvement and infection 1. Dietary compliance
in 4 to 8 weeks • Change to prevention 2. Antibiotic choice
diet (e.g., Hill’s c/d, 3. Antibiotic compliance
Purina Urinary Ox/St) 4. Water consumption
AUTHOR & EDITOR: Leah A. Cohn, DVM, PhD, DACVIM
www.ExpertConsult.com
